2215397298944 has 18 divisors (see below), whose sum is σ = 4422140702700. Its totient is φ = 1107698649344.

The previous prime is 2215397298929. The next prime is 2215397298997. The reversal of 2215397298944 is 4498927935122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4326947594 + ... + 4326948105.

Almost surely, 2^{2215397298944} is an apocalyptic number.

It is an amenable number.

2215397298944 is a deficient number, since it is larger than the sum of its proper divisors (2206743403756).

2215397298944 is an frugal number, since it uses more digits than its factorization.

2215397298944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653895715 (or 8653895701 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 65.

The spelling of 2215397298944 in words is "two trillion, two hundred fifteen billion, three hundred ninety-seven million, two hundred ninety-eight thousand, nine hundred forty-four".